Home / 20,568.72-30,853.97-6,528.45

Finding the Fourth Proportional to 20,568.72, 30,853.97 and 6,528.45

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Solution

The fourth proportional to 20,568.72, 30,853.97 and 6,528.45 is: 9,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568.72 : 30,853.97 = 6,528.45 : x
  2. Step 2: Convert to fraction form
    20,568.72/30,853.97 = 6,528.45/x
  3. Step 3: Cross multiply
    20,568.72x = 30,853.97 × 6,528.45
  4. Step 4: Simplify right side
    20,568.72x = 201,428,683.51
  5. Step 5: Solve for x
    x = 201,428,683.51/20,568.72
  6. Step 6: Final answer
    x = 9,792.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.